diff --git a/src/main/java/org/forkalsrud/album/video/FlvFilter.java b/src/main/java/org/forkalsrud/album/video/FlvFilter.java
index 6439cda..88f7e17 100644
--- a/src/main/java/org/forkalsrud/album/video/FlvFilter.java
+++ b/src/main/java/org/forkalsrud/album/video/FlvFilter.java
@@ -50,8 +50,8 @@ public class FlvFilter extends OutputStream {
 
     public FlvFilter(FlvReceiver receiver, FlvMetadata metadata) {
         this.receiver = receiver;
-        this.metadata = new FlvMetadata();
-        this.extraMetadata = metadata;
+        this.metadata = metadata;
+        this.extraMetadata = null;
     }
 
     /**
@@ -198,7 +198,7 @@ public class FlvFilter extends OutputStream {
         out.write(fileHeader);
         metadata.setFileSize(fileHeader.length + metadataLength + bodyLen);
         metadata.setFileOffsetDelta(metadataLength - incomingMetadataLength);
-        metadata.writeOnMetadata(out);
+        metadata.writeOnMetadata(out, metadataLength);
 
         receiver.writeHeader(out.toByteArray());
     }
diff --git a/src/main/java/org/forkalsrud/album/video/FlvMetadata.java b/src/main/java/org/forkalsrud/album/video/FlvMetadata.java
index 3f01270..cfcc390 100644
--- a/src/main/java/org/forkalsrud/album/video/FlvMetadata.java
+++ b/src/main/java/org/forkalsrud/album/video/FlvMetadata.java
@@ -244,7 +244,7 @@ public class FlvMetadata {
 
     public int calculateLength() throws IOException {
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        writeOnMetadata(baos);
+        writeOnMetadata(baos, 0);
         return baos.size();
     }
 
@@ -253,8 +253,12 @@ public class FlvMetadata {
         this.filePositionDelta = fileOffsetDelta;
     }
 
-    public void writeOnMetadata(OutputStream out) throws IOException {
+    public void writeOnMetadata(OutputStream out, int size) throws IOException {
 
+        out.write(18); // Script data tag
+        writeUint24(out, size - 15);  //data size
+        writeUint32(out, 0); // timestamp
+        
         // ScriptDataObject
         out.write(2);
         writeFlvEcmaArray(out, "onMetaData", length());
@@ -347,6 +351,13 @@ public class FlvMetadata {
         out.write((value >>  0) & 0xff);
     }
 
+    void writeUint24(OutputStream out, int value) throws IOException {
+
+        out.write((value >> 16) & 0xff);
+        out.write((value >>  8) & 0xff);
+        out.write((value >>  0) & 0xff);
+    }
+
     void writeUint16(OutputStream out, int value) throws IOException {
 
         out.write((value >> 8) & 0xff);
@@ -418,4 +429,20 @@ public class FlvMetadata {
         }
     }
 
+
+    public void setVideoCodecId(int videocodecid) {
+        this.videocodecid.set(Double.valueOf(videocodecid));
+    }
+
+
+    public void setAudioCodecId(int audioCodecId) {
+        this.audiocodecid.set(Double.valueOf(audioCodecId));
+    }
+
+
+    public void setFramerate(double framerate) {
+        this.framerate.set(framerate);
+    }
+
+    
 }
diff --git a/src/main/java/org/forkalsrud/album/video/MovieCoder.java b/src/main/java/org/forkalsrud/album/video/MovieCoder.java
index f57e90d..84c5819 100644
--- a/src/main/java/org/forkalsrud/album/video/MovieCoder.java
+++ b/src/main/java/org/forkalsrud/album/video/MovieCoder.java
@@ -168,6 +168,9 @@ public class MovieCoder {
             this.dbKey = key(file, targetSize);
             FlvMetadata meta = new FlvMetadata();
             meta.setDuration(thumbnail.getDuration());
+            meta.setVideoCodecId(2);
+            meta.setAudioCodecId(2);
+            meta.setFramerate(15); // TODO (knut 10 JUL 2011) Need to make sure the ffmpeg args match
             this.filter = new FlvFilter(this, meta);
         }
 
@@ -230,7 +233,7 @@ public class MovieCoder {
                 endLastChunk();
                 // Generate header again to get updated metadata
                 // TODO (knut 09 JUL 2011) Figure out why the generated header doesn't work 
-                // filter.generateHeader();
+                filter.generateHeader();
             } catch (Exception e) {
                 log.error("uh?", e);
                 movieDb.delete(dbKey);
diff --git a/src/test/java/org/forkalsrud/album/video/FlvFilterTest.java b/src/test/java/org/forkalsrud/album/video/FlvFilterTest.java
index 4317a9b..9272ef6 100644
--- a/src/test/java/org/forkalsrud/album/video/FlvFilterTest.java
+++ b/src/test/java/org/forkalsrud/album/video/FlvFilterTest.java
@@ -38,6 +38,14 @@ public class FlvFilterTest extends TestCase {
     }
 
     public void testFoo() {
-        System.out.println(0x40128);
+        System.out.println(Double.longBitsToDouble(0x4062c00000000000L));
+        System.out.println(Double.longBitsToDouble(0x4125c59a00000000L));
+        System.out.println(Double.longBitsToDouble(0x411dcc0c00000000L));
+        System.out.println(Long.toHexString(Double.doubleToLongBits(150d)));
     }
+
+
+    
+
+
 }